998
+998 is the international calling code for Uzbekistan.
- Even
- Composite
Where 998 fits
Why 998 is special
Uzbekistan is one of only two doubly landlocked countries in the world — every neighbour is itself landlocked.
998 is part of
Factors & digit properties
- Divisors (4)
- 1, 2, 499, 998
- Prime factorisation
- 2 × 499
- Digit sum
- 26
- Digital root
- 8
Representations
- Decimal
- 998
- Binary
- 1111100110
- Octal
- 1746
- Hexadecimal
- 3e6
- Roman numeral
- CMXCVIII
- Scientific notation
- 9.980 × 10^2
Other mathematical patterns
- Deficient number
- Happy number
- Semiprime
Related numbers & connections
Tajikistan and Uzbekistan are Central Asian neighbours. Uzbekistan is one of only two doubly landlocked countries on Earth.
View 992 →Nearby in a sequence
- is adjacent to992
why?
Strength 0.50, confidence "high".
Geography
+998 reaches Uzbekistan, one of two doubly landlocked countries: reaching an ocean requires crossing at least two borders. Liechtenstein is the other.
DocumentedGeographyGeography: Uzbekistan
Common questions
Is 998 a prime number?
No, 998 is not prime.
What are the factors of 998?
The factors of 998 are 1, 2, 499, 998.
What is 998 in Roman numerals?
998 in Roman numerals is CMXCVIII.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.
Last reviewed: 3 August 2026